WD-40 is primarily a solvent and a degreaser, not a true lubricant. It can free up rusted or dirty parts, but it is not intended to provide any long term lubrication. Silicone is a lubricant.
I would try the WD-40 first. If that works, then use silicone or lithium spray-on grease to lubricate the parts.
Last edited by retiredguy123; 01-02-2021 at 12:58 PM.
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